Parts List codes and pertinent industry standards should be • RHRV-C100P, RHRV-C100A, RERV-C100 verified before installation. • RHRV-80P, RERV-80 3. Use this unit only in the manner intended by the manufacturer.
Wiring Diagram TC100-120 CONTROL BOARD: BLACK 120 Vac / 1 / 60Hz Optional Accessories (Not Supplied) WHITE Power Supply a) Timer Switch (TC100) Ground b) Wall Switch c) Dehumidistat TC100-120P d) Time Delay Switch (TC100-120 & TC100-120P) Note: Same power source can be e) Master On/Off Switch used for wall switch,Time delay switch for HRV/ERV...
Wiring Diagram (cont’d) Furnace / Fan-Coil / Heat Pump Interlock: W A R N I N G Never connect a 120 volt AC circuit to the terminals of the furnace /fan-coil/heat pump interlock (Standard Wiring). Only use the low voltage class 2 circuit. Standard Interlock Wiring THERMOSTAT TERMINALS FOUR WIRE...
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5 ft 3 ft (Highly Recommended) (Highly Recommended) NOTE Rev(1.0), 07/02/15...
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FRESH AIR / EXHAUST AIR VENTS INSTALLATION...
Vibration Spring 120V Motorized Spring Model # Return Backdraft Damper* RHRV-C100A, 9’’ 20’’ 21’’ RHRV-C100P, RERV-C100 RERV-80 16 1/2’’ 16 1/2’’ 8 1/4’’ RHRV-80P Note: After installation make sure the HRV/ERV is properly leveled. If not levelled correctly, then defrost will not perform effectively and/or unit may frost in winter.
HRV and ERV Typical Installations (cont’d) Typical Installations of Single Vents & Access door CAULKING GRILLE Metal Clamp - 3 SIDES ONLY, NOT ON BOTTOM Insulation Intake Exhaust Duct Insulation Wallbox CAULKING WALLBOX - CAULK WALLBOX TO STRUCTURE ON ALL 4 SIDES Grille Backdraft Minimum 5 Feet...
Air Flow Balancing Balancing Procedure It is required to have balanced air flows in a HRV/ERV. The volume of air brought in from the outside must equal the volume of air exhausted by the unit while running at normal speed. If the air flows are not properly balanced, then: •...
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Air Flow Balancing (cont’d) DUCT DIAM CROSS SECTION AREA (Option #2) Plugs 5" 0.136 sq. ft. - Remove plug from #2 and #4 locations as 6" 0.196 sq. ft. shown for balancing - Do not use pitot tube to open holes in the insulation as it may block/damage the pitot tube.
Maintenance Regular Maintenance 1. Turn the unit off and disconnect the power supply. 2. Unlatch the door and lift the door panel towards you, hold it firmly and slide it to the left. 3. Clean the inside of the door and drain pan with a damp cloth to remove dirt and debris that may be present.
Troubleshooting Troubleshooting PROBLEMS POSSIBLE CAUSES SOLUTIONS - have professional balancer or - HRV/ERV airflow improperly 1. Air flow is low contractor balance the unit balanced - remove and clean filter - filter clogged - remove and clean core - core obstructed - remove and clean the blockage - exterior fresh air supply blocked - check damper...
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